Photoelectric composite cable for underwater robot

Abstract

The utility model relates to a photoelectric composite cable for an underwater robot, which comprises an optical fiber unit positioned in the center, an inner conductor layer, an inner insulating layer, an outer conductor layer, an outer insulating layer, an aramid fiber layer and a sheath are sequentially and tightly wrapped on the periphery of the optical fiber unit in a concentric circle manner, a plurality of inner conductors are annularly arranged in the inner conductor layer, a plurality of outer conductors are annularly arranged in the outer conductor layer, and the aramid fiber layer is arranged in the outer conductor layer. The inner conductor layer comprises a plurality of annularly distributed inner conductors, the outer conductor comprises a plurality of annularly distributed outer conductors, and the inner conductor layer and the outer conductor layer are filled with conductive sealant. According to the composite cable, power supply and optical fiber communication are integrated, all the layers are sequentially and tightly wrapped on the stainless steel pipe located in the center in a concentric circle mode, the diameter of the cable is further reduced through the concentric circle mode conductor and insulating layer structure while the optical fiber unit is protected, and water tightness is more reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical cables and electric cables, and relates to a photoelectric composite cable for an underwater robot. Background Art

[0002] Optical fiber composite cables for underwater mobility are usually made of two or more conductor-containing insulated cores twisted with optical units. In addition, due to the large drop and large load, more reinforcements are required, so the internal gap of the cable needs to be filled with more sealing materials, which increases the unnecessary diameter and weight. In particular, medium and large detectors and underwater operation robots that move underwater often require greater remote power supply capabilities and tensile strength, which makes the optical fiber composite cables used large in diameter and heavy.

[0003] Therefore, providing optical fiber composite cables with solid structure, large power supply capacity and reliable optical fiber communication has become a problem that the industry needs to solve.

[0004] In order to overcome the technical deficiencies of the above-mentioned optoelectronic composite cable for underwater robots and solve the problems of stable structure, reliable performance and easy use and installation, this article provides an optoelectronic composite cable for underwater robots. Summary of the invention

[0005] The utility model aims to provide an optoelectronic composite cable for an underwater robot, which can solve the above problems, has a stable structure, reliable performance, small cable diameter, light weight, high strength, etc., and is easy and reliable to use.

[0006] According to the technical solution provided by the utility model: an optoelectronic composite cable for an underwater robot includes an optical fiber unit located in the center, the outer periphery of the optical fiber unit is tightly wrapped with an inner conductor layer, an inner insulating layer, an outer conductor layer, an outer insulating layer, an aramid layer, and a sheath in a concentric circle manner, a plurality of inner conductors are annularly arranged in the inner conductor layer, a plurality of outer conductors are annularly arranged in the outer conductor layer, and the inner conductor layer and the outer conductor layer are filled with conductive sealant.

[0007] As a further improvement of the utility model, the optical fiber unit comprises a stainless steel tube, and the stainless steel tube contains a plurality of optical fibers and hydrogen absorbing fiber paste.

[0008] As a further improvement of the utility model, the inner conductor and the outer conductor are made of copper-clad steel wire or copper-clad aluminum wire or copper wire.

[0009] As a further improvement of the utility model, the conductive sealant contains conductive graphite or metal powder.

[0010] As a further improvement of the utility model, the conductive sealant is made of silicone ester or silicone rubber or a mixture of silicone ester and silicone rubber.

[0011] As a further improvement of the utility model, the inner insulating layer and the outer insulating layer are made of fluorocarbon polymer or cross-linked polyolefin.

[0012] As a further improvement of the utility model, the aramid layer is spirally wound around the outer insulating layer.

[0013] As a further improvement of the utility model, the sheath is made of polyurethane or polyolefin sheath material.

[0014] As a further improvement of the utility model, a plurality of longitudinal arc-shaped convex strips are evenly distributed on the surface of the sheath.

[0015] As a further improvement of the utility model, there are several color-coded lines of different colors in the longitudinal arc-shaped convex strip.

[0016] The positive effects of this application are:

[0017] The utility model is a composite cable integrating power supply and optical fiber communication. Each layer is tightly wrapped in a stainless steel pipe located in the center in a concentric circle manner. This structure protects the optical fiber unit. The concentric circle structure of the conductor and the insulation layer reduces the cable diameter and makes the water tightness more reliable.

[0018] The longitudinal arc-shaped convex strips and color-coded lines on the surface of the sheath of the utility model facilitate the observation of the torsion angle of the cable during construction and use.

[0019] 3. The utility model has the advantages of stable structure and reliable performance, and has small cable diameter, light weight, high strength, low comprehensive cost, convenient construction and use, suitable for industrial promotion and application, and has high industrial utilization value. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 1 The optical fiber unit 1 includes an inner conductor 2, a conductive sealant 3, an inner insulating layer 4, an outer conductor 5, an outer insulating layer 6, an aramid layer 7, a sheath 8 and the like. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0024] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed can also be "included" and "having"; for example, a process, method, system, product or device that can include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.

[0026] like Figure 1 As shown, the utility model is an optoelectronic composite cable for an underwater robot, comprising an optical fiber unit 1 located in the center, wherein the outer periphery of the optical fiber unit 1 is tightly wrapped with an inner conductor layer, an inner insulating layer 4, an outer conductor layer, an outer insulating layer 6, an aramid layer 7, and a sheath 8 in a concentric circle manner in sequence, a plurality of inner conductors 2 are annularly arranged in the inner conductor layer, a plurality of outer conductors 5 are annularly arranged in the outer conductor layer, and a conductive sealant 3 is filled in the inner conductor layer and the outer conductor layer.

[0027] The optical fiber unit 1 comprises a stainless steel tube, wherein the stainless steel tube contains a plurality of optical fibers and hydrogen absorbing fiber paste.

[0028] The inner conductor layer is annular and includes a plurality of annularly distributed inner conductors 2. The inner conductor 2 is made of copper-clad steel wire, copper-clad aluminum wire or copper wire.

[0029] The conductive sealant 3 contains conductive graphite or metal powder. The conductive sealant 3 is made of silicone ester or silicone rubber or a mixture of silicone ester and silicone rubber.

[0030] The inner insulating layer 4 and the outer insulating layer 6 are made of fluorocarbon polymer or cross-linked polyolefin.

[0031] The outer conductor layer is annular and includes a plurality of annularly distributed outer conductors 5. The outer conductor 5 is made of copper-clad steel wire, copper-clad aluminum wire or copper wire.

[0032] The aramid layer 7 is spirally wound around the outer circumference of the outer insulating layer 6 .

[0033] The sheath 8 is made of polyurethane or polyolefin sheath material.

[0034] As a further improvement of the present invention, a plurality of longitudinal arc-shaped convex strips 81 are evenly distributed on the surface of the sheath 8 .

[0035] As a further improvement, there are several color-coded lines of different colors in the longitudinal arc-shaped convex strips 81 on the surface of the sheath.

[0036] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. An optoelectronic composite cable for an underwater robot, comprising an optical fiber unit (1) located in the center, characterized in that: The outer circumference of the optical fiber unit (1) is tightly wrapped with an inner conductor layer, an inner insulating layer (4), an outer conductor layer, an outer insulating layer (6), an aramid layer (7), and a sheath (8) in sequence in a concentric circle manner; a plurality of inner conductors (2) are provided in an annular shape in the inner conductor layer; a plurality of outer conductors (5) are provided in an annular shape in the outer conductor layer; and a conductive sealant (3) is filled in the inner conductor layer and the outer conductor layer.

2. The optical-electric composite cable for underwater robots according to claim 1, characterized in that: The optical fiber unit (1) comprises a stainless steel tube, wherein the stainless steel tube contains a plurality of optical fibers and hydrogen absorbing fiber paste.

3. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The inner conductor (2) and the outer conductor (5) are made of copper-clad steel wire, copper-clad aluminum wire or copper wire.

4. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The conductive sealant (3) contains conductive graphite or metal powder.

5. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The conductive sealant (3) is made of silicone ester or silicone rubber or a mixture of silicone ester and silicone rubber.

6. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The inner insulating layer (4) and the outer insulating layer (6) are made of fluorocarbon polymer or cross-linked polyolefin.

7. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The aramid layer (7) is spirally wound around the outer insulating layer (6).

8. The optical-electric composite cable for an underwater robot according to claim 1, characterized in that: The sheath (8) is made of polyurethane or polyolefin sheath material.

9. The photoelectric composite cable for underwater robot according to claim 1, characterized in that: A plurality of longitudinal arc-shaped convex strips (81) are evenly distributed on the surface of the sheath (8).

10. The photoelectric composite cable for underwater robot according to claim 9, characterized in that: There are several color-coded lines of different colors in the longitudinal arc-shaped convex strip (81).

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